Asteel ball is allowed to fall freely from a height of36 cm onto a smooth floor. Find the height to which it rises after rebounding from the floor. Coefficient of restitution between the stee ball and the floow = 0.60.

Asteel ball is allowed to fall freely from a height of36 cm onto a smo

1.	Asteel ball is allowed to fall freely from a height of36 cm onto a smooth floor. Find the height to which it rises after rebounding from the floor. Coefficient of restitution between the stee ball and the floow = 0.60.
Answer» Solution :Here e = 0.60, h = 36 cm `= 36 xx 10^(-2) m` The HEIGHT attained by the body after .n. number of rebounds `= e^(2n)h`. Here n = 1 `therefore` The height attained by the body after `1^(st)` rebound `=e^(2(1))h=(0.60)^(2)(36xx10^(-2))=0.36xx0.36 = 0.13m`